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Gruppo Gamma Field III GMT Date
Case
- Diameter
- 40mm
- Thickness
- 14mm
- Lug-to-lug
- 48.5mm
- Lug width
- 22mm
- Material
- Stainless Steel
- Water resistance
- 200m
Crystal & dial
- Crystal
- Sapphire
- AR coating
- Yes
- Dial colour
- Black
- Lume
- Super-LumiNova
Movement
- Caliber
- Seiko NH34
- Type
- Automatic
- Hacking
- No
- Hand-winding
- No
- Complications
- GMT, Date
Seiko
A Seiko (TMI / Seiko Instruments) automatic GMT caliber — the export-market designation of the Seiko 4R34 — that adds a 24-hour fourth hand to the NH35 / 4R35 base. It runs at 21,600 vph with about 41 hours of power reserve, hacks and hand-winds, and has become the default affordable GMT for microbrands.
Design language
- Case shape
- round
- Dial style
- matte
- Bezel
- gmt
- Bracelet
- lug-attached
- Hands
- baton
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Field III collection · 3 watches
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Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.
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